Starting today, and running through Tuesday, September 17, 2013, S.O.S Dinobots will be running in Transformers: LEGENDS. This episode puts the Dinobots against the Decepticon Seekers. Ruby Medals play a big part in this episode, and new Super Rare Swoop, Sludge and Slug and the Ultra Rare Grimlock cards are available with a 10x episode bonus. Also, for the first time, an Ultra Rare Evolution card is available through the leaders boards in the form of an Ultra Rare Snarl Evolution card.

Also running right now is The Omega Corps, the first ever PvP episode for LEGENDS. It’ll run until September 24, 2013, and features Omega Supreme, Jetfire, Ratchet and Mirage. Players will battle each other in a free-for-all. I haven’t played LEGENDS for a while, but this event has me interested enough to log back on and see what it’s all about.

Transformers: LEGENDS is free for iOS and Android, with in-app purchases for higher rarity cards and items. You can get have a pretty enjoyable experience without paying for anything, but after a few months you’ll hit a serious pay wall when you start hitting players who have obviously spent a good deal of money on the game.